山东海滨城市主要海洋地质灾害述评与减防灾措施探讨

海滨城市的海洋地质灾害可分为两大类型：其一是由纯内外自然地质作用造成的危及城乡安全的灾害，如地震、断裂活动、海岸侵蚀、风暴潮；其二是人为活动与自然地质作用相互影响形成的灾害，如过量开采地下水和滥伐森林等引起的地面沉降、海水入侵与倒灌、不合理的海岸工程布局引起的海岸流场变化导致的岸线突变。本文目的在于探讨山东沿海这些灾害类型的分布与成因，进而提出减少或防止这些灾害危害的措施。

A Brief Commentary on Geologic Hazards in the Coastal Cities of Shandong Province and Study on the Preventive Measures

The marine geologic hazards in the coastal cities are divided into two main types.One is caused by natural geological processes such as earthquake,fault,storm and coastal erosion.The second is produced by the human activities and geological actions,such as surface subsidencecaused by the excessive exploitations of the underground water,seawater intrusion and the sud-den changes of coastline caused by the reasonless coastal engineering.The distribution and thecauses of the geologic hazards in the coastal cities of Shandong Province are discussed.However,some suggestions have been presented in order to reduce the lost caused by the geologic hazards.